In the future, senior citizens will be able to go anywhere using high-tech cameras _______ to their head.
#94548
A
attaching
B
attached
C
to attach
D
attaches
推荐题目
Paul doesn’t have to be made ____. He always works hard.
#97004
A
learn
B
to learn
C
learned
D
learning
The professor________at the meeting will give us a lecture next week.
#88459
A
referred
B
referred to
C
referring
D
referring to
 ______ quickly, _______ you won’t be able to catch the train.
#96388
A
To get up; or
B
Getting up; and
C
Get up; or
D
If getting up; but